The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...
International Year of the Periodic Table: 150th Anniversary of Dimitri Mendeleev’s Genius Creation
The periodic table stares down from the walls of just about every chemistry lab. The credit for its creation generally goes to Dimitri Mendeleev, a Russian chemist who in 1869 wrote out the known ...
Welcome to the world, elements 113, 115, 117 and 118! Four new elements will join more than a hundred others on the periodic table of the elements, the International Union of Pure and Applied ...
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